157 years in pictures
Census counts: 468 in 1930, 199 in 2020. The archive holds 3 old photos and papers going back to 2016 and 3 maps from 1901 on.
- 1869Decker Township is founded
Each edition grades its towns against each other only.

A town of 212, founded in 1869.
28% of residents live below the poverty line in Decker Township, against 10% in Indiana’s towns and 9.6% across U.S. towns. No town among the 594 in Indiana we compare has a higher share of households owning their home than Decker Township. Decker Township’s trail density is 0.9 miles per square mile, where Indiana’s towns sit at 0.2 and U.S. towns at 0.4. The biggest park or preserve is Swamper Bend Wetland Conservation Area, at 101 acres. Decker Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 468 in 1930, 199 in 2020. The archive holds 3 old photos and papers going back to 2016 and 3 maps from 1901 on.
Who provides power, water and the rest in Decker Township, and how to reach them.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Decker Township.
Most working residents leave Decker Township for work: only 0% work in town. Since 2013, Decker Township has lost 30 jobs, to 35 in 2023. The top destinations are Vincennes (27%), Vincennes Township (15%) and Washington (9%).
Census LEHD 2023 · ACS
Decker Township has chilly winters and warm summers, with plenty of rain. The July high in Decker Township is 88°F.
NOAA U.S. Climate Normals, 1991–2020
Decker Township beats the Indiana average on 0 of 32 CDC measures and trails it on 10. 20% of Decker Township adults smoke cigarettes.
| Decker Township | Indiana towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 20% | 17% | 14% |
| Frequent physical distress (CDC PLACES) | 17% | 15% | 14% |
| Diabetes (CDC PLACES) | 15% | 13% | 12% |
| High blood pressure (CDC PLACES) | 42% | 39% | 35% |
| What stands out | Decker Township | IN |
|---|---|---|
| More older adults who have lost all their teeth | 23.3% | 15.4% |
| More adults with COPD | 10.9% | 8.1% |
| More smokers | 20.4% | 15.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Swamper Bend Wetland Conservation Area | — | 101 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Expected storm and flood damage is lower than in 52% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Museums, parks, gardens and other places to visit around Decker Township. Close and well known come first.
35 mi MuseumUSS LST-325
38 mi Ancient siteAngel Mounds
35 mi Stadium & arenaFord Center
15 mi National Historical ParkGeorge Rogers Clark National Historical Park113K visitors a year30 mi CaveBurrows Cave
33 mi Zoo & aquariumMesker Park Zoo and Botanic GardenUSS LST-325: Wikideas1, CC0 · Angel Mounds: Heironymous Rowe (talk), CC BY-SA 3.0 · Ford Center: Nyttend, Public domain · George Rogers Clark National Historical Park: The original uploader was Agentmoose at English Wikipedia. on 2006-07-08., CC BY-SA 2.5 · Mesker Park Zoo and Botanic Garden: Randella (talk), CC BY 3.0
None within 15 miles of Decker Township; the nearest are
About 0 of every 100 Decker Township residents are enrolled in college, against 6 across Indiana.
Where Decker Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Town in the United States
Decker is a town in Johnson Township, Knox County, Indiana, United States. The population was 199 at the 2020 census. It was founded in 1869 by Isaac Decker. Decker is near the White River, and is well known for the watermelon and cantaloupe produced in the surrounding rural area.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Decker Township has fewer than 1,000 residents, too few for fair grades; the figures below are still real.